Answer: none
Step-by-step explanation:
72-(-25) = 72+25 = 97
Answer:
0.333 in / hr
Step-by-step explanation:
203 / 25.4
7.992 in
7.922 in / day
7.922 in / 24 hr
0.333 in / hr
We know that
the <span>formula of the arithmetic series is
</span>Sn=<span>n[2(a1) + (n - 1)d]/2
where
Sn=80
n=20
d=2
a1=?
then
80=20*[2*a1+19*2]/2----------------> </span>160=[40*a1+760]
160=[40*a1+760]----------> a1=(160-760)/40------------> a1=-15
<span>
the answer is
a1=-15
</span>
I hope this helps you
2.(7R-15+2R-3/2+7R)-4
2. (16R-33/2)-4
2.16R-2.33/2-4
32R-33-4
32R-37
